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Sunday, February 26, 2017

Mammals almost shared the fate of dinosaurs

As a result of falling on the Yucatan Peninsula of a huge asteroid 65.5 million years ago suffered a huge number of plants and animals, and mammals is no exception. As the new study conducted by experts from the University of Bath in the UK, the cataclysm has destroyed more than 93 percent of the members of this prosperous class.

photo: ru.wikipedia.org

Experts have found compared to date information about mammals that lived in different periods of Earth’s history. As it turned out, at the turn of the Mesozoic and Cenozoic er died much more mammals than expected so far. Many other living creatures, for example lizards, suffered the first hundred thousand years after the fall of a huge meteorite much easier.

Subsequently, however, the ability of mammals in the process of evolution to adapt quickly to changing conditions helped them in a pretty short time to not only recover, but also to bypass the representatives of many other classes according to the number of occupied ecosystems.

According to scientists, in the past, the number of mammals that have disappeared from the face of the earth 65.5 million years ago was underestimated due to the fact that more common species managed to survive, while more rare, more often, drove less, and to date the remains of more common animals, by definition, easier to find than fossils belonging to rare species.

The researchers published in the scientific Journal Journal of Evolutionary Biology.

By the way, recently another group of scientists published from the University of Chicago has published quite a related study, according to which the beginning of flowering of mammals had on the age of the dinosaurs. Then the researchers also drew attention to the fact that the fall of the meteorite could survive not all mammals, and probably was fortunate in the first place is due to their diet which was the most flexible and enabled them to find food even in times of its deficit.

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